CO6140024A1 - Inteccion de cenizas en el fondo para mejorar el desempeño de absorbedores secadores por pulverizado - Google Patents

Inteccion de cenizas en el fondo para mejorar el desempeño de absorbedores secadores por pulverizado

Info

Publication number
CO6140024A1
CO6140024A1 CO08096712A CO08096712A CO6140024A1 CO 6140024 A1 CO6140024 A1 CO 6140024A1 CO 08096712 A CO08096712 A CO 08096712A CO 08096712 A CO08096712 A CO 08096712A CO 6140024 A1 CO6140024 A1 CO 6140024A1
Authority
CO
Colombia
Prior art keywords
gas
bottom ash
alkali
fluidized bed
combustion process
Prior art date
Application number
CO08096712A
Other languages
English (en)
Inventor
Mikhail Maryamchik
Original Assignee
Babcock & Wilcox Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Babcock & Wilcox Co filed Critical Babcock & Wilcox Co
Publication of CO6140024A1 publication Critical patent/CO6140024A1/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/505—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound in a spray drying process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
    • F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
    • F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
    • F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2045—Hydrochloric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2047—Hydrofluoric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/60—Sorption with dry devices, e.g. beds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

Ceniza de fondo que contiene álcali producida mediante una caldera de lecho fluidizado circulante (CFB) es reciclada a un aparato de absorción secador por pulverizado corriente abajo (SDA) para utilizar más completamente el reactivo no utilizado presente en la ceniza, y/o reducir la cantidad del reactivo utilizado aunque no incrementando la generación de NOx. Un sistema para reducir la concentración de gas ácido en un gas y/o reducir el consumo de absorbente de gas ácido aunque no incrementando la generación de NOX, que comprende: Un reactor que produce por lo menos gas que contiene al menos un compuesto ácido, y ceniza de fondo que contiene álcali, la ceniza de fondo se descarga separadamente del gas; Un absorbedor secador por pulverizado para recibir el gas; Medios para introducir la ceniza de fondo en la corriente de fondo del gas del reactor de tal forma que el álcali está disponible en el absorbedor secador por pulverizado para reaccionar con por lo menos un compuesto ácido; y Medios para introducir un agente de humidificación en el absorbedor secador por pulverizado para facilitar la reacción del álcali con por lo menos un compuesto ácido para reducir su concentración en el gas. El sistema de la reivindicación 1, en donde el gas comprende gas de chimenea de un proceso de combustión. El sistema de la reivindicación 2, en donde el proceso de combustión se conduce en una caldera de lecho fluidizada. El sistema de la reivindicación 3, en donde el proceso de combustión se conduce en una caldera de lecho fluidizado circulante.
CO08096712A 2007-09-13 2008-09-12 Inteccion de cenizas en el fondo para mejorar el desempeño de absorbedores secadores por pulverizado CO6140024A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/854,781 US9192889B2 (en) 2007-09-13 2007-09-13 Bottom ash injection for enhancing spray dryer absorber performance

Publications (1)

Publication Number Publication Date
CO6140024A1 true CO6140024A1 (es) 2010-03-19

Family

ID=40451007

Family Applications (1)

Application Number Title Priority Date Filing Date
CO08096712A CO6140024A1 (es) 2007-09-13 2008-09-12 Inteccion de cenizas en el fondo para mejorar el desempeño de absorbedores secadores por pulverizado

Country Status (6)

Country Link
US (1) US9192889B2 (es)
CN (2) CN101504149A (es)
AR (1) AR068430A1 (es)
CA (1) CA2639596C (es)
CL (1) CL2008002718A1 (es)
CO (1) CO6140024A1 (es)

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JP2012200657A (ja) * 2011-03-24 2012-10-22 Mitsubishi Heavy Ind Ltd 脱硫排液からの脱水濾液の噴霧乾燥装置、排ガス処理システム及び方法
US8828340B2 (en) * 2011-09-29 2014-09-09 Babcock & Wilcox Power Generation Group, Inc. Dry sorbent injection during steady-state conditions in dry scrubber
US8821823B2 (en) 2011-09-29 2014-09-02 Babcock & Wilcox Power Generation Group, Inc. Dry sorbent injection during non-steady state conditions in dry scrubber
US9587828B2 (en) * 2013-03-14 2017-03-07 Siemens Aktiengesellschaft Localized flue gas dilution in heat recovery steam generator
WO2015074705A1 (en) * 2013-11-22 2015-05-28 Foster Wheeler Energia Oy Method of and apparatus for combusting sulfurous fuel in a circulating fluidized bed boiler
JP6339360B2 (ja) * 2013-12-19 2018-06-06 川崎重工業株式会社 腐食抑制装置付きボイラ及びボイラの腐食抑制方法
CN107490016A (zh) * 2017-08-30 2017-12-19 东南大学 一种外壁炉秸秆燃烧取暖系统
CN107715630B (zh) * 2017-11-10 2023-10-27 刘胜男 一种烟气净化装置
CN108654363B (zh) * 2018-05-31 2020-09-04 武汉钢铁有限公司 耦合焦炉烟气余热及硫污染物制酸工艺
CN109821396A (zh) * 2019-04-03 2019-05-31 武汉纽林环境能源科技有限公司 低钙硫比高效cfb烟气超净工艺及其系统
CN110397913A (zh) * 2019-08-06 2019-11-01 新乡市汇能玉源发电有限公司 一种可有效提高脱硝效率的糠醛渣锅炉脱硝系统
CN110917862A (zh) * 2019-12-03 2020-03-27 河北净空环保工程有限公司 一种推动流化床半干法脱硫装置
KR20220100065A (ko) 2019-12-18 2022-07-14 스미토모 에스에이치아이 에프더블유 에너지아 오와이 스팀 보일러 시스템을 작동하는 배열체 및 방법
CN112044345A (zh) * 2020-09-22 2020-12-08 马鞍山奥柯环保科技发展有限公司 新型sda脱硫塔塔底料循环利用系统

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Also Published As

Publication number Publication date
AR068430A1 (es) 2009-11-18
CN101504149A (zh) 2009-08-12
CL2008002718A1 (es) 2009-03-06
CN104764032A (zh) 2015-07-08
CN104764032B (zh) 2018-06-12
CA2639596A1 (en) 2009-03-13
CA2639596C (en) 2016-06-07
US20090074629A1 (en) 2009-03-19
US9192889B2 (en) 2015-11-24

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